A tik tik sound from the middle under the vehicle. on 2001 Mercedes-Benz C240

Tik tik sound goes faster and slower as the car picks up speed or lower speed.The sound does not happen all the time.When the car is could the noise is quiet.

by in Wellersburg, PA on September 16, 2013
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1 answer 1 comment
ANSWER by , September 16, 2013
how long since last oil change?
COMMENT by , September 16, 2013
No Idea If Gearbox Oil has ever been changed.The car has done 159000 Km